TY - JOUR T1 - A pause for thought on lung cancer screening JF - Canadian Medical Association Journal JO - CMAJ SP - 793 LP - 793 DO - 10.1503/cmaj.090521 VL - 180 IS - 8 AU - Matthew B. Stanbrook AU - Ken Flegel Y1 - 2009/04/14 UR - http://www.cmaj.ca/content/180/8/793.abstract ER -